- (a.) Having the surface rough and crumbling; as, many lichens are tartareous.
- (a.) Consisting of tartar; of the nature of tartar.
- (a.) Of or pertaining to Tartarus; hellish.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Tartareous. Retrieved October 1, 2026, from http://smartdefine.org/tartareous/definitions/2070528 |
| Chicago | Webster's. 2011. "Tartareous" http://smartdefine.org/tartareous/definitions/2070528 (accessed October 1, 2026). |
| Harvard | Webster's 2011, Tartareous, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/tartareous/definitions/2070528>. |
| MLA | Webster's. "Tartareous" 28 May 2011. Web. 1 October 2026. <http://smartdefine.org/tartareous/definitions/2070528> |